Lexmark E320 and E322 printers share common customer-replaceable supplies. The supplies are designed for easy installation and reliable performance. Lexmark E320/E322 print cartridges are uniquely designed for E320 and E322 printers; they are not compatible with other Lexmark printers. Print cartridges intended for use with other printers cannot be used. Average Cartridge Yield 6 000 standard pages. Declared yield value in accordance with ISO/IEC 19752.Prebate supplies are now called Lexmark Return Program cartridges. Details of the license program remain the same. Only the name has changed. For a period of time when you order a Return Program cartridge you may receive a Prebate cartridge. We appreciate your patience during this transition. Lexmark Return Program Cartridges are sold at a discount versus the prices of regular cartridges in exchange for the customer s agreement to use the cartridge only once and return it only to Lexmark for remanufacturing or recycling. Regular cartridges without this license/agreement sold at regular prices are also available. Regular cartridges are also recyclable at no cost through Lexmark Cartridge Collection Program.nbsp;Toner cartridge - black - 6000 pages - for E320 E322